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Charles Duncan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Los-Angeles-County, California
Our Model Tree links this Charles Duncan across the 1930 and 1940 US Censuses in Los-Angeles-County, California (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 9-person household.
Age 50
b. ~1890
Male
Head
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Los-Angeles-County, California |
| Surname | Duncan |
| Given Name | Charles H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Additional Details | |
| Occupation | Proprietor |
| Industry | Cafe |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Proprietor |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1890 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Charles | Age | Birth yr |
|---|---|---|---|---|
| Margaret Duncan | Daughter | — | 12 | ~1928 |
| Leona Duncan | Spouse | — | 46 | ~1894 |
| Victoria Duncan | Daughter | — | 10 | ~1930 |
| Jimmy Duncan | Son | — | 3 | ~1937 |
| Jerry Duncan | Son | — | 9 | ~1931 |
| Charles Duncan | Head | — | 50 | ~1890 |
| Johnny Duncan | Son | — | 17 | ~1923 |
| Virginia Duncan | Daughter | — | 18 | ~1922 |
| Howard Duncan | Son | — | 6 | ~1934 |
Census Appearances
1930
Los Angeles, …
Head, age 39
Los Angeles, California · implied b. ~1891 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Duncan |
| Given Name | Charles |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 30 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Occupation | Laborer |
| Industry | Pickle Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 15 |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Los-Angeles-County, California
Head, age 50
Los-Angeles-County, California · implied b. ~1890 — 9 household members
| Surname | Duncan |
| Given Name | Charles H |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 50 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Occupation | Proprietor |
| Industry | Cafe |
| Class of Worker | OA |
| Hours Worked | 60 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Charles Duncan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Duncan
Head · 1940 · age 50 · b. ~1890 · California
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Los-Angeles-County, California
Open full size
1940 US Federal Census — Los-Angeles-County, California
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00388-00186)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Chas E Morrey | 59 | Head | Bookkeeper | Missouri |
| 42 | Essula A Morrey | 53 | Wife | — | Missouri |
| 43 | Chas E Jr Morrey | 23 | Son | Accountant | California |
| 44 | Francis G Morrey | 19 | Daughter | — | California |
| 45 | Lois N Morrey | 14 | Daughter | — | California |
| 46 | Donna May Morrey | 10 | Daughter | — | California |
| 47 | John Fahey | 47 | Head | Fireman | California |
| 48 | Ethel J Fahey | 36 | Wife | — | California |
| 49 | James M Graham | 59 | Head | Conductor | Alabama |
| 50 | Leila X Graham | 51 | Wife | — | Louisiana |
| 51 | Roy L Murphy | 29 | Head | Brakeman | Tennessee |
| 52 | Jennie L Murphy | 22 | Wife | — | Arkansas |
| 53 | Dennis Gullmore | 27 | Head | Carpenter | Georgia |
| 54 | Helen X Gullmore | 20 | Wife | — | Colorado |
| 55 | Lena Bruckner | 65 | Head | — | California |
| 56 | Evelyn Bruckner | 25 | Daughter | — | California |
| 57 | Donald Mitchell | 24 | Head | Brakeman | Missouri |
| 58 | Ruby V Mitchell | 36 | Wife | — | Missouri |
| 59 | Grover Mitchell | 12 | Son | — | California |
| 60 | Mary A Reeves | 53 | Head | Sewing | Texas |
| 61 | Eldred Dalzell | 29 | Head | Conductor | Alabama |
| 62 | Leona X Dalzell | 27 | Wife | — | Missouri |
| 63 | Naomi Dalzell | 4 | Daughter | — | California |
| 64 | Cedric L Dalzell | 2 | Son | — | California |
| 65 | Daniel Coal | 53 | Father in law | Laborer | Missouri |
| 66 | Charles Signor | 31 | Head | Shoe Repair | California |
| 67 | Angeline X Signor | 25 | Wife | — | California |
| 68 | Charles Jr Signor | 2 | Son | — | California |
| 69 | Ray E Signor | 33 | Brother | Rounder | California |
| 70 | Battista X Reatoni | 65 | Head | — | Italy |
| 71 | Charles H Duncan THIS PERSON | 50 | Head | Proprietor | Kentucky |
| 72 | Leona Duncan | 46 | Wife | Helper | Colorado |
| 73 | Johnny Duncan | 17 | Son | — | Iowa |
| 74 | Virginia Duncan | 18 | Daughter | — | Iowa |
| 75 | Margaret Duncan | 12 | Daughter | — | California |
| 76 | Victoria Duncan | 10 | Daughter | — | California |
| 77 | Jerry Duncan | 9 | Son | — | California |
| 78 | Howard Duncan | 6 | Son | — | California |
| 79 | Jimmy Duncan | 3 | Son | — | California |
| 80 | Frank G Brummett | 59 | Head | Yardman | Ohio |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)